Roberto's monthly pay is $4349.70. Each month he uses 2/5of his pay for his household expenses and 1/10 for his car payment. He deposits the rest into his savings account.

How much does Roberto deposit into his savings account each month?

Roberto deposits $2,174.85 to his savings account each month.

Given:

Monthly pay = 4,349.70

Household expenses = 2/5 of his pay

Car payment = 1/10 of his pay

Savings = net of expenses.

Household expenses:

4,349.70 * 2/5 = 8,699.40/5 = 1,739.88

Car payment:

4,349.70 * 1/10 = 4,349.70/10 = 434.97

Monthly pay: 4,349.70

less: Household exp. 1,739.88

less: Car payment 434.97

Net of expenses 2,174.85 * deposit to savings account